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Letraw was established in the 1930s for the purpose of making knitted copper and metal sponges. Over the years, other uses such as air filters, breathers and separators were made for cars, trucks and farm equipment, still very much in use today.

We produce a wide variety of products for industrial use such as copper gauze or copper wool filters for cleaning and filtration, while aluminum lint-trap mesh is commonly used on washing machine discharge hoses to prevent clogging of pipes.